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annotate nodejs/shapes.cc @ 744:6a988e23ad2a

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A dirty implementation of removing subtree
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 25 Aug 2010 14:23:06 +0800
parents dd1f3382d6a4
children 56a5e08cd8af
rev   line source
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1 #include <v8.h>
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2 #include "mbfly_njs.h"
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3
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4 #include <string.h>
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5
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6 extern "C" {
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7 #include <mb.h>
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8 }
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9
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10 #ifndef ASSERT
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11 #define ASSERT(x)
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12 #endif
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13
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14 using namespace v8;
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15
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16 /*! \defgroup xnjsmb_shapes JS binding for shapes.
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17 * \ingroup xnjsmb
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18 *
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19 * @{
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20 */
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21 static void
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22 xnjsmb_shape_mod(Handle<Object> self, shape_t *sh) {
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23 Persistent<Object> *self_hdl;
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24
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25 /* Keep associated js object in property store for retrieving,
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26 * later, without create new js object.
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27 */
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28 self_hdl = new Persistent<Object>();
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29 *self_hdl = Persistent<Object>::New(self);
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30 mb_prop_set(&sh->obj.props, PROP_JSOBJ, self_hdl);
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31 }
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32
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33 static void
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34 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self,
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35 Handle<Value> blks, const char **err) {
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36 Array *blksobj;
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37 Array *blkobj;
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38 mb_style_blk_t *mb_blks;
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39 int nblks;
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40 Handle<Object> rt;
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41 redraw_man_t *rdman;
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42 int r;
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43 int i;
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44
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45 blksobj = Array::Cast(*blks);
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46 nblks = blksobj->Length();
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47 mb_blks = new mb_style_blk_t[nblks];
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48 for(i = 0; i < nblks; i++) {
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49 blkobj = Array::Cast(*blksobj->Get(i));
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50 mb_blks[i].n_chars = blkobj->Get(0)->ToInt32()->Value();
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51 mb_blks[i].face = (mb_font_face_t *)UNWRAP(blkobj->Get(1)->ToObject());
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52 mb_blks[i].font_sz = blkobj->Get(2)->ToNumber()->Value();
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53 }
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54
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55 r = sh_stext_set_style(sh, mb_blks, nblks);
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56 if(r != 0) {
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57 *err = "Unknown error";
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58 return;
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59 }
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60
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61 /*
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62 * Mark changed.
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63 */
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64 rt = GET(self, "mbrt")->ToObject();
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65 ASSERT(rt != NULL);
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66 rdman = xnjsmb_rt_rdman(rt);
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67
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68 if(sh_get_coord(sh))
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69 rdman_shape_changed(rdman, sh);
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70
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71 delete mb_blks;
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72 }
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73
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74 static Handle<Value>
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75 xnjsmb_shape_stroke_width_get(Handle<Object> self, shape_t *sh,
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76 const char **err) {
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77 float stroke_width;
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78
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79 stroke_width = sh_get_stroke_width(sh);
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80 return Number::New(stroke_width);
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81 }
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82
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83 static void
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84 xnjsmb_shape_stroke_width_set(Handle<Object> self, shape_t *sh,
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85 Handle<Value> value, const char **err) {
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86 float stroke_width;
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87 Handle<Object> rt;
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88 redraw_man_t *rdman;
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89
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90 stroke_width = value->Int32Value();
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91 sh_set_stroke_width(sh, stroke_width);
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92
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93 /*
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94 * Mark changed.
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95 */
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96 rt = GET(self, "mbrt")->ToObject();
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97 ASSERT(rt != NULL);
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98 rdman = xnjsmb_rt_rdman(rt);
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99
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100 if(sh_get_coord(sh))
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101 rdman_shape_changed(rdman, sh);
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102 }
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103
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104 static void
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105 xnjsmb_sh_rect_set(shape_t *sh, Handle<Object> self, float x, float y,
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106 float w, float h, float rx, float ry) {
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107 Handle<Object> rt;
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108 redraw_man_t *rdman;
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109
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110 sh_rect_set(sh, x, y, w, h, rx, ry);
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111
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112 /*
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113 * Mark changed.
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114 */
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115 rt = GET(self, "mbrt")->ToObject();
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116 ASSERT(rt != NULL);
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117 rdman = xnjsmb_rt_rdman(rt);
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118
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119 if(sh_get_coord(sh))
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120 rdman_shape_changed(rdman, sh);
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121 }
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122
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123 /* @} */
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124
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125 #include "shapes-inc.h"
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126
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127 /*! \defgroup xnjsmb_shapes_wraps Exported wrapper makers for shapes
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128 * \ingroup xnjsmb_shapes
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129 *
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130 * These functions are used by methods of mb_rt to wrap shape objects
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131 * as Javascript objects.
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132 *
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133 * @{
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134 */
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135 Handle<Value>
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136 export_xnjsmb_auto_path_new(shape_t *sh) {
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137 return xnjsmb_auto_path_new(sh);
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138 }
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139
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140 Handle<Value>
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141 export_xnjsmb_auto_stext_new(shape_t *sh) {
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142 return xnjsmb_auto_stext_new(sh);
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143 }
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144
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145 Handle<Value>
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146 export_xnjsmb_auto_image_new(shape_t *sh) {
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147 return xnjsmb_auto_image_new(sh);
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148 }
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149
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150 Handle<Value>
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151 export_xnjsmb_auto_rect_new(shape_t *sh) {
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152 return xnjsmb_auto_rect_new(sh);
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153 }
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154
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155 /* @} */
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156
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157 /*! \defgroup xnjsmb_shapes_cons Constructor of shapes
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158 * \ingroup xnjsmb_shapes
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159 *
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160 * @{
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161 */
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162 shape_t *
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163 xnjsmb_path_new(njs_runtime_t *rt, const char *d) {
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164 redraw_man_t *rdman;
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165 shape_t *sh;
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166
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167 rdman = X_njs_MB_rdman(rt);
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168 sh = rdman_shape_path_new(rdman, d);
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169
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170 return sh;
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171 }
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172
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173 shape_t *
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174 xnjsmb_stext_new(njs_runtime_t *rt, const char *txt, float x, float y) {
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175 redraw_man_t *rdman;
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176 shape_t *sh;
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177
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178 rdman = X_njs_MB_rdman(rt);
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179 sh = rdman_shape_stext_new(rdman, txt, x, y);
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180
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181 return sh;
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182 }
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183
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184 shape_t *
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185 xnjsmb_image_new(njs_runtime_t *rt, float x, float y, float w, float h) {
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186 redraw_man_t *rdman;
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187 shape_t *sh;
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188
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189 rdman = X_njs_MB_rdman(rt);
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190 sh = rdman_shape_image_new(rdman, x, y, w, h);
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191
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192 return sh;
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193 }
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194
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195 shape_t *
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196 xnjsmb_rect_new(njs_runtime_t *rt, float x, float y, float w, float h,
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197 float rx, float ry, const char **err) {
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198 redraw_man_t *rdman;
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199 shape_t *sh;
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200
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201 rdman = X_njs_MB_rdman(rt);
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202 sh = rdman_shape_rect_new(rdman, x, y, w, h, rx, ry);
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203 if(sh == NULL) {
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204 *err = "Can not create a sh_rect_t";
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205 return NULL;
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206 }
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207
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208 return sh;
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209 }
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210
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211 /* @} */
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212
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213 /*! \brief Set properties of template of mb_rt.
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214 * \ingroup xnjsmb_shapes
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215 */
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216 void
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217 xnjsmb_shapes_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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218 HandleScope scope;
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219 Handle<FunctionTemplate> path_new_temp, stext_new_temp;
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220 Handle<FunctionTemplate> image_new_temp;
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221 Handle<ObjectTemplate> rt_proto_temp;
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222 static int temp_init_flag = 0;
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223
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224 if(temp_init_flag == 0) {
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225 xnjsmb_auto_shape_init();
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226 xnjsmb_auto_path_init();
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227 xnjsmb_auto_stext_init();
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228 xnjsmb_auto_image_init();
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229 xnjsmb_auto_rect_init();
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230 temp_init_flag = 1;
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231 }
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232 return;
565
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233 }